Randall and Hopkirk (Deceased)

In the pilot episode Marty Hopkirk is murdered by the husband of a client but returns as a ghost to help Jeff bring the man responsible for his murder to justice.

Concerned for Jeff's mental health Jeannie sends Jeff to Dr. Conrad at the Lambert Clinic where it turns out he is the mastermind of a series of robberies of his patients using hypnotic suggestion, forcing Marty to try to find a way to break Jeff from his control before Jeff has been so severely hypnotized that he loses the ability to see Marty. David Bauer stars.

Two eccentric conmen brothers (The Foster Brothers) who claim to be spiritualists try to convince Jeannie that Marty is haunting her as a poltergeist using electronic equipment

Two enemy agents murder a high British Secret Service official and his wife and pass themselves as their impostors in their own home to steal important documents

When a theatre performer is murdered by a loaded gun during one of his acts Jeff joins the theatre as a mind reader to investigate his murder and hunt down the killer. David Jason appears as Abel

Aristocrat Harold Pargiter and his Lords rob the British vault for a document proving that his family titles and deeds were stolen by King John in the 13th century and his succession to the throne. Starring Ronald Radd